.bird_bg {
  background: url('../img/snack/geometry.png');
  height: 100vh;
}

.sidebar_h3 {
  text-align: center;
}

.noScroll {
  height: 100vh;
  overflow: hidden;
}

.spaceTip {
  font-size: 30px;
  padding-top: 20px;
  text-align: center;
}

@keyframes birdBgMove {
  0% {
    background-position: 0;
  }

  100% {
    background-position: 100%;
  }
}

.game_layout {
  width: 1000px;
  height: 530px;
  margin: 20px auto;
}

.land {
  height: 50px;
  background: url('../img/bird/land.png');
}

.bird_box {
  height: 480px;
  background: url('../img/bird/sky.png');
  background-position: center center;
  position: relative;
  animation: birdBgMove 4s infinite linear;
  overflow: hidden;
}

.bird {
  width: 30px;
  height: 30px;
  position: absolute;
}

.birdJump {
  animation: birdJump .3s;

}

@keyframes birdJump {
  0% {
    transform: rotate(30deg);
  }

  100% {
    transform: rotate(0deg);
  }
}

.birdRoate {
  animation: birdRotate 1.3s;
}

@keyframes birdRotate {
  0% {
    transform: rotate(0);
  }

  100% {
    transform: rotate(90deg);
  }
}

.birdWing {
  width: 100%;
  height: 100%;
  animation: birdWing .5s infinite;
}

@keyframes birdWing {
  0% {
    background: url('../img/bird/bird2.png') center center;
    background-size: 195% 195%;
  }

  33% {
    background: url('../img/bird/bird0.png') center center;
    background-size: 195% 195%;
  }

  66% {
    background: url('../img/bird/bird1.png') center center;
    background-size: 195% 195%;
  }

  100% {
    background: url('../img/bird/bird2.png') center center;
    background-size: 195% 195%;
  }
}

.pipFar {
  width: 52px;
  height: 100%;
  position: absolute;
  user-select: none;
}

.pipe {
  position: absolute;
  left: 0;
  border: 0;
}

.success_img {
  border: 0;
  position: absolute;
}

.bird_h3 {
  padding-top: 150px;
  font-size: 50px;
  color: rgb(50, 56, 53);
  line-height: 100px;
  text-align: center;
  letter-spacing: 10px;
}

.scoreTip {
  text-align: center;
  padding-top: 10px;
}

.birdScoreSpan{
  padding: 10px;
}